Transformation of Journalism and the Public Sphere

The research group ‘Transformation of Journalism and the Public Sphere’ examines the transformation of journalism and the public sphere through an empirical and theory-driven approach – partly to understand what this means for democratic cohesion.

Journalism and the public sphere are emerging under new circumstances today: artificial intelligence is not merely intervening from the outside, but is becoming part of society’s communicative DNA. Language models help shape the narrative, platforms pre-sort content, and recommendation systems decide what reaches the public sphere in the first place – and this is shifting the way society communicates with itself.

One focus of the research group is on communicative AI: language models and automated systems have long since ceased to be mere tools; instead, they are themselves becoming participants in social communication. They intervene deeply in the structures through which the public sphere is formed. We analyse this reciprocal appropriation: how AI permeates communicative fields such as journalism, whilst at the same time being appropriated and integrated by people and organisations.

Another strand of our research examines the role that media and communication play in fostering – or jeopardising – social cohesion, and how the social order of understanding and media usage are changing in the digital age – supported by empirical evidence, for example through surveys on the cohesion-related services provided by public service broadcasters or participation in the qualitative panel of the Research Institute for Social Cohesion. Knowledge transfer is of particular importance here: we actively contribute our findings to public discourse and to dialogue with editorial teams, educational institutions and opinion leaders.

Our research is theory-driven, interdisciplinary, methodologically open, internationally networked – and consistently conducted through dialogue-oriented exchange with practitioners and the public. As part of the Worlds of Journalism Study (WJS), the world’s largest comparative study on the state of journalism, we contribute to international journalism research.

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Last update: 24.09.2026

Blog Articles, News, Projects, Publications, Podcast Episodes

zwei junge Frauen sitzen auf ihr Handy blickend vor einem großen rot-gelb-grün-blauen Banner mit RePublica25-Logo
Presentations Available Online

The HBI at re:publica 2025

Jan Rau, Wiebke Loosen, Anna von Garmissen, Matthias Kettemann, and Katharina Mosene discussed new media actors, democratic discourse on platforms, and internet and AI regulation at re:publica25, which took place at STATION Berlin under the motto “Generation XYZ.” Recordings of the presentations are now available online.

Cover der Broschüre zum 75. Geburtstag
Brochure Available for Download

Facets of 75 Years Hans-Bredow-Institut

With this brochure. we take a look at the institute's development since 1950. While we do not claim to provide a complete history, we aim to highlight some of the institute's unique characteristics, showcasing moments in the past when these features were particularly evident.

Eine Gruppe junger Leute schaut auf ihr Handy
News Usage in International Comparison

German Findings of the Reuters Institute Digital News Report 2025

Trust in the news remains high in Germany. 45% of the adult online population believes that most news is generally trustworthy. At the same time, the majority of respondents believe that news produced by humans is more trustworthy than news generated by AI.

Cover des Arbeitspapiers "Für den Reuters Institute Digital News Report 2024  zur Nachrichtennutzung im internationalen Vergleich wurden zeitgleich Befragungen in 47 Ländern realisiert, um generelle Trends, aber auch nationale Besonderheiten erkennen zu können. Das HBI ist verantwortlich für die deutsche Teilstudie; es wird dabei von den Landesmedienanstalten und dem ZDF unterstützt.

Cover des Arbeitspapiers "Reuters Report 2025"
News Usage in International Comparison

Reuters Institute Digital News Report 2025 – Findings for Germany

The Reuters Institute Digital News Report 2025 examined news consumption internationally. To identify general trends and national characteristics, surveys were conducted simultaneously in 48 countries. The HBI conducted the German sub-study

Logo des Jubiläums: Der schriftzug 75 Jahre Medienforschung wird von buntem Konfetti umschwirrt
We Celebrate 75 Years of Media Research

From Radio to AI: Hans-Bredow-Institut Celebrates 75 Years of Media Research

The HBI is celebrating its 75th anniversary with a reception hosted by the Senate and a scientific event. Since the institute's founding in 1950, the media landscape has undergone significant changes. Through its research, the institute has kept pace with these changes and contributed to scientific development, as well as to the goal of providing relevant knowledge to politics, regulation, business, and civil society.

Leuchtende, von einer Decke hängende Lampen
New Leibniz Research Network

New Leibniz Research Network Strengthens Evidence-Based Science Communication

The Leibniz Research Network “Evidence-Based Science Communication” is set to counteract the increasing fragmentation of the research field from June 2025 onwards by strengthening the links between theory and practice. The HBI contributes its expertise in communication science to transfer research, including in the context of health communication.

Altes Zeitungsfoto von Hans-Bredow,
HBI 75: Founding History

How the Institute Got Its Name

On May 30, 1950, the Hans Bredow Institute was founded by the former Northwest German Broadcasting Corporation (the predecessor of NDR and WDR) and the University of Hamburg. This blog post describes the history of its founding and explains how the institute got its name.

Cover von Heft 2/2025 M&K
Recently Published

M&K 2/2025 Special Issue “Media Structures Revisited”

Issue 2/2025 of Media & Communication Science has been published as a special issue entitled “Media Structures Revisited,” edited by Josef Seethaler, Marlis Prinzing, Petra Herczeg, and Mark Eisenegger. The entire issue is available open access via the Nomos eLibrary.

Illustration Tortenstück mit TikTok Logo
Blog Dossier

Right-Wing Influence on the Internet

The Research Institute for Social Cohesion has published four blog posts examining the mechanisms, strategies, and platform dynamics that enable the radical right to gain media space, as well as ways to counteract this. Their analyses focus particularly on the TikTok platform.

Leonie Wunderlich hält ihren Doktorhut fest, der davonzufliegen droht
Successfully Completed Doctorate

Congratulations, Leonie Wunderlich!

Leonie Wunderlich has successfully defended her dissertation on “Information-Related Practises of Young People in the Hybrid Media System.” Congratulations, Leonie Wunderlich!

Portrait von Katharina Mosene (links) und Anna Schmidt
On air on Radio Alex

Katharina Mosene as a Guest on Anna Schmidt’s Radio Show

Katharina Mosene was a guest on Anna Schmidt's radio show on May 26, 2025. The show is broadcast weekly on Berlin radio station Alex. On the show, they discussed "Intersectional Feminist Approaches in the field of Internet Governance."

Portrait: Eva Luise Knor und Michael Reiss
Guest Article in epd medien

Curiosity and Skepticism. How AI is Used for Information Search

How is artificial intelligence (AI) used in Germany for searching political information? Are chatbots like ChatGPT replacing traditional media? Eva Luise Knor and Dr. Michael Reiss addressed these questions in their research project, "Generative Artificial Intelligence for Information Navigation." They present their findings in a guest article for epd medien.

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